<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>404 - 页面未找到</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background: #f8f9fa;
            color: #2c3e50;
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .error-container {
            text-align: center;
            padding: 2rem;
            max-width: 600px;
        }

        .error-code {
            font-size: 8rem;
            font-weight: bold;
            color: #e74c3c;
            text-shadow: 3px 3px 0 rgba(0, 0, 0, 0.1);
            margin-bottom: 1rem;
        }

        .error-icon {
            font-size: 4rem;
            margin-bottom: 1.5rem;
            color: #95a5a6;
        }

        h1 {
            font-size: 2rem;
            margin-bottom: 1rem;
            color: #34495e;
        }

        .error-message {
            font-size: 1.1rem;
            margin-bottom: 2rem;
            color: #7f8c8d;
        }

        .action-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            padding: 0.8rem 1.5rem;
            text-decoration: none;
            border-radius: 5px;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary {
            background: #3498db;
            color: white;
            border: 2px solid #3498db;
        }

        .btn-secondary {
            background: transparent;
            color: #3498db;
            border: 2px solid #3498db;
        }

        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        @media (max-width: 480px) {
            .error-code {
                font-size: 6rem;
            }
            
            h1 {
                font-size: 1.5rem;
            }
        }
    </style>
    <!-- 引入Font Awesome图标 -->
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css">
</head>
<body>
    <div class="error-container">
        <div class="error-icon">
            <i class="fas fa-exclamation-triangle"></i>
        </div>
        <div class="error-code">404</div>
        <h1>哎呀！您访问的页面不存在</h1>
        <p class="error-message">
            我们无法找到您请求的资源。这可能是因为链接已失效，或页面已被移动。
        </p>
        <div class="action-buttons">
            <a href="/" class="btn btn-primary">
                <i class="fas fa-home"></i>
                返回首页
            </a>
        </div>
    </div>
</body>
</html>